please someone help me

we have a daewoo computor and we were play a game and now nohting work on it we have just a red light and a green light beside the cd room we tried the papaer clip to open but did open just enought to removed the cd but we are stiill have the same problem noting work not the key board not the mouse not the tv do you have any clue what this could be my mom tried to hook up the box in another box in the house but still not working the power supply somoene told me but what on the one from the wall or the on from the boxe do you have any clue please let me know she just bought it and she relly dont know what happend i did put a burner last week but everything was fine then thank you manon